CN102739216B - Controller for electric consumption and method in the line card hot plug of communication equipment - Google Patents
Controller for electric consumption and method in the line card hot plug of communication equipment Download PDFInfo
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Abstract
Controller for electric consumption and method in the line card hot plug that the invention discloses a kind of communication equipment, this control device comprises device power supply (DPS) and is arranged on the monitoring unit on equipment control board, line card is provided with line card data obtaining module, power module and line card electrifying control circuit, monitoring unit obtains the line card information of all line cards by line card data obtaining module, and according to the power output of described line card information and described device power supply (DPS), corresponding power control signal POWER_CTRL is sent to corresponding line card, line card electrifying control circuit on corresponding line card controls the output of power module according to power control signal POWER_CTRL.The present invention, controls powering on of line card according to different situations, to protect single-deck and to improve system operation reliability.
Description
Technical field
The present invention relates to communication equipment, controller for electric consumption and method in the line card hot plug being specifically related to communication equipment.
Background technology
Nowadays, the speed of communication equipment improves constantly, also more and more higher to the noise requirements of power supply, and in running, the fluctuation of power supply and noise will directly affect the Performance And Reliability of communication system.For the communication equipment with multi-groove, the insertion of veneer or extract the fluctuation that all can cause backboard power supply, thus affect the functional reliability of the veneer that other is running, therefore, the each veneer of communication device calls has controller for electric consumption in hot plug, controls veneer slowly power on when veneer inserts.
In addition, communication system is to reliability and use the requirement of flexibility also to improve constantly, require that the upper electric energy of veneer controls flexibly, the control of such as power supply sequence of single board, veneer can be closed during the situations such as veneer emergent power overload, temperature beyond limit, overcurrent and the function such as to power.
At present, realizing the single-plate hot-plug control technology that powers on mainly contains following several:
(1) soft-start circuit being set on veneer, namely postponing power supply electrifying at the input of power supply by increasing metal-oxide-semiconductor;
(2) special hot-swapping controller is increased to realize power-on delay at power input.
The impact on power supply when although above-mentioned two kinds of modes can avoid veneer insertion to power on, can only accomplish that the power on delay of veneer itself controls, system goes up electric control flexibly demand to veneer cannot be met.
Summary of the invention
Technical problem to be solved by this invention is that the line card solving communication equipment inserts or extracts the problem that can cause backboard power-supply fluctuation, meets the flexible control of system to veneer power-on and power-off simultaneously.
In order to solve the problems of the technologies described above, controller for electric consumption in the line card hot plug that the technical solution adopted in the present invention is to provide a kind of communication equipment, comprise device power supply (DPS) and be arranged on the monitoring unit on the equipment control board of communication equipment, each line card adapting to communication equipment is equipped with line card data obtaining module, power module and line card electrifying control circuit, described device power supply (DPS) exports backboard 48V voltage and mainboard 5V voltage respectively for described line card power module and described line card electrifying control circuit, described monitoring unit obtains the line card information of all line cards by described line card data obtaining module, and according to the power output of described line card information and described device power supply (DPS), corresponding power control signal POWER_CTRL is sent to corresponding line card, line card electrifying control circuit on corresponding described line card controls the output of described power module according to described power control signal POWER_CTRL.
In said apparatus, described line card is communication equipment veneer, described power module has backboard 48V voltage input end, earth terminal, output and the first electric-controlled switch be connected between described backboard 48V voltage input end and output, the input of described backboard 48V voltage and ground wire are connected to backboard 48V voltage input end and the earth terminal of described power module respectively, described line card electrifying control circuit comprises the first optocoupler and the first triode, described power control signal POWER_CTRL is connected to the base stage of the first triode through resistance R3, mainboard 5V voltage connects the collector electrode of described first triode through resistance R1, the collector electrode of described first triode is connected to the anode of described first optocoupler, the emitter of described first triode is connected to the negative electrode of described first optocoupler and ground connection, the collector electrode of described first optocoupler connects described first electric-controlled switch, the emitter of described first optocoupler connects the earth terminal of described power module, mainboard 5V voltage is connected with power control signal POWER_CTRL through resistance R2.
In said apparatus, described line card is communication equipment subcard, described power module has mainboard 5V voltage input end, earth terminal, output and the second electric-controlled switch be connected between described mainboard 5V voltage input end and output, the input of described mainboard 5V voltage and ground wire are connected to mainboard 5V voltage input end and the earth terminal of described power module respectively, described line card electrifying control circuit comprises the second triode, described power control signal POWER_CTRL is connected to the base stage of the second triode through resistance R33, the collector electrode of described second triode is connected to described second electric-controlled switch, the emitter of described second triode and the ground wire of mainboard 5V voltage are connected to the earth terminal of described power module, described mainboard 5V voltage is connected the collector electrode of described second triode and described power control signal POWER_CTRL respectively through resistance R11 and resistance R22.
Present invention also offers a kind of line card hot plug electrification control method of communication equipment, comprise the following steps:
After A100, communication equipment power on, the equipment control board of communication equipment closes the power supply of all slots of this communication equipment;
A101, monitoring unit detect the line card situation in place on all slots successively by LC_PRSNT signal;
The intrinsic power consumption of the line card maximum power dissipation information that A102, monitoring unit provide according to the line card data obtaining module on each line card and communication equipment, judge whether the current total power consumption of this communication equipment exceedes the power supply output gross power of communication equipment, if do not exceeded, all line cards in place are then allowed to power on, otherwise, allow part line card to power on according to the rule of systemic presupposition, and send the inadequate warning information of power to webmaster;
A103, monitoring unit real-time monitoring cable card-like state,
When monitoring unit detects that certain slot has line card to extract, then close the power supply of the corresponding slot of this line card;
When monitoring unit detects that certain slot has line card insert or have the line card do not powered in place, monitoring unit time delay judges after 1 second whether do not power on veneer and the veneer power summation that powered in place have exceeded power supply and exports gross power, if exceed gross power, according to systemic presupposition rule successively to the Board Power up allowing to power on, and send the inadequate warning information of power to webmaster, otherwise all veneers do not powered on are powered on successively;
When monitoring unit detects that a certain line card has a fault such as excess temperature or overcurrent, then close the power supply of the slot of communication equipment corresponding to this line card, and send single board default warning information to webmaster.
In the above-mentioned methods, described monitoring unit powers on to the line card allowing to power on successively according to the slot number of communication equipment, and the stand-by period between each line card powers at least controlled more than 0.5 second.
The present invention; by line card electrifying control circuit; eliminate hot plug control circuit; control unit is by the hot plug of software simulating single-deck and the upper electric control of single-deck; powering on of line card is controlled, such as system cloud gray model total power consumption overload, single-deck overcurrent according to different situations; during single-deck temperature beyond limit, to protect single-deck and to improve system operation reliability.
Accompanying drawing explanation
Fig. 1 be communication equipment in the present invention line card hot plug on controller for electric consumption schematic diagram;
Fig. 2 is the line card electrifying control circuit schematic diagram of communication equipment veneer in the present invention;
Fig. 3 is the line card electrifying control circuit schematic diagram of communication equipment subcard in the present invention;
Fig. 4 is the line card hot plug electrification control method flow chart of communication equipment in the present invention.
Embodiment
Controller for electric consumption and method in the line card hot plug that the invention provides a kind of communication equipment, be both applicable to the upper electric control of the plug-in card veneer of large-scale computer posture equipment, is also applicable to the upper electric control of small modular EM equipment module beggar card.
As shown in Figure 1, adopt the communication equipment of this control device to comprise by the device power supply (DPS) of backplane interconnect, equipment control board and multiple line card, this communication equipment has multiple slot, and line card can be inserted on these slots.Wherein device power supply (DPS) can export two kinds of voltages give each line card power, one is-48V line card (veneer) power supply VCC, and another kind is 5V line card electrifying control circuit power supply VIO.
The equipment control board of communication equipment is provided with monitoring unit, utilizes monitoring unit to realize needing the line card controlling to power on to carry out information gathering, and carries out upper electric control to line card.
Each line card is equipped with line card electrifying control circuit, power module and line card data obtaining module, monitoring unit is by the POWER_CTRL signal controlling line card electrifying control circuit of backplane interconnects, line card data obtaining module provides line card information by the LC_PRSNT signal of backplane interconnects and LC_INFO signal to the monitoring unit on equipment control board, wherein LC_PRSNT signal provides line card signal in place to monitoring unit, inform that whether this line card of monitoring unit is in place, LC_INFO signal provides line card information to monitoring unit, as line card temperature, power consumption and type etc.
For rack-mount unit, line card is generally the veneer taking independent frame slot, and usually adopt backboard-48V Power supply ,-48V voltage transitions is the supply power voltage of veneer itself by isolated supplies module, as low voltages such as 3.3V, 5V.For small modular equipment, line card is generally a subcard of communication equipment, 12V or the 5V Power supply that usual employing subcard mainboard provides, 12V or 5V Power convert is other supply power voltage of subcard itself by subcard employing non-isolation type power module, as low voltages such as 3.3V, 2.5V.
For communication equipment veneer, adopt the line card electrifying control circuit of isolated supplies module as shown in Figure 2.The backboard side input VIN+ of isolated supplies module I CP1 meets backboard 48V voltage VCC+(-48V_GND), the output VOUT of isolated supplies module provides power supply to veneer, isolated supplies module is provided with the first electric-controlled switch, and the first electric-controlled switch is by the output of power module control signal ON/OFF control isolated supplies module.
The line card electrifying control circuit of communication equipment veneer comprises the first optocoupler OC1 and the first triode T1, and the first optocoupler OC1 mainly plays isolation, and the first triode T1 mainly plays driving first optocoupler OC1.The mainboard 5V voltage that in figure, VIO provides for device power supply (DPS), for maintaining the power supply of line card electrifying control circuit, POWER_CTRL is from the monitoring unit of the equipment control board of communication equipment, and monitoring unit controls powering on of veneer and power-off by this POWER_CTRL signal.Power control signal POWER_CTRL is connected to the base stage of the first triode T1 through resistance R3, mainboard 5V voltage connects the collector electrode of the first triode T1 through resistance R1, the collector electrode of the first triode T1 is connected to the anode of the first optocoupler OC1, the emitter of the first triode T1 is connected to the negative electrode of the first optocoupler OC1 and ground connection, the collector electrode of the first optocoupler OC1 connects the first electric-controlled switch, emitter connects power module VCC-(-48V), and mainboard 5V voltage is connected with power control signal POWER_CTRL through resistance R2.
When supposing that the ON/OFF of isolated supplies module in figure is low, power module is opened, during high resistant, power module turns off, so when to arrange POWER_CTRL be high to monitoring unit, first triode T1 conducting, the input no current input of the first optocoupler OC1, output open circuit, power module control signal ON/OFF high resistant, power module turns off no-output, when to arrange POWER_CTRL be low to monitoring unit, first triode T1 ends, the input of the first optocoupler OC1 has enough inputs driving a current through the first optocoupler OC1 that the first optocoupler OC1 is opened by VIO through resistance R1, export conducting, power module control signal ON/OFF is low, it is that veneer is powered that power module opens out-put supply.
For communication equipment subcard, adopt the line card electrification circuit of non-isolation type power module as shown in Figure 3.The mainboard side input VIN of non-isolation type power module ICP2 connects the 5V power supply of device power supply (DPS), the output VOUT of non-isolation type power module powers to subcard, non-isolation type power module has the second electric-controlled switch, and the second electric-controlled switch is by the output of power module control signal ON/OFF control non-isolation type power module.
The line card electrifying control circuit of non-isolation type power module comprises the second triode T2, power control signal POWER_CTRL is connected to the base stage of the second triode T2 through resistance R33, the collector electrode of the second triode T2 is connected to the second electric-controlled switch, the emitter of the second triode T2 and the ground wire of mainboard 5V voltage are connected to the earth terminal of power module, and mainboard 5V voltage is connected collector electrode and the power control signal POWER_CTRL of the second triode T2 respectively through resistance R11 and resistance R22.
In figure, POWER_CTRL is from the monitoring unit on equipment control board, and monitoring unit controls powering on of subcard and power-off by this signal.When supposing that the ON/OFF of non-isolation type power module in figure is high, power module is opened, for power module time low turns off, so when to arrange POWER_CTRL be high to monitoring unit, second triode T2 conducting, power module control signal ON/OFF is low, and power module turns off no-output, when to arrange POWER_CTRL be low to monitoring unit, second triode T2 ends, and power module control signal ON/OFF is high, and it is that veneer is powered that power module opens out-put supply.
Fig. 4 shows the flow chart of communication equipment electrification control method provided by the invention, and as shown in Figure 4, the method comprises the following steps:
After A100, communication equipment power on, the power switch control signal of slots all on this communication equipment is set to closed condition by the monitoring unit on control board;
All slots of A101, monitoring unit detection communication equipment there is unruled card in place; The concrete practice is: monitoring unit detects the veneer situation in place on communication equipment on all slots successively by LC_PRSNT signal, if not, continues to detect, if had, goes to step A102;
A102, judge the total power consumption of current veneer in place (line card) whether exceed power supply export gross power.The concrete practice is: the maximum power dissipation information that monitoring unit provides according to each veneer, judge whether the current total power consumption of this communication equipment exceedes the power supply output gross power of communication equipment, if do not exceeded, then allow all Board Power ups in place, otherwise, rule according to systemic presupposition allows part Board Power up, and sends the inadequate warning information of power to webmaster;
Preset rules can determine according to the different application of different communication equipment, such as to power on grade according to the function of veneer (line card) and type classification.
Interference is caused to system power supply in order to avoid multiple veneer powers on simultaneously, monitoring unit according to slot number successively to the Board Power up allowing to power on, the power switch control signal being about to the corresponding slot of line card needing to power on is set to opening state one by one, but the stand-by period between each Board Power up at least controls more than 0.5 second;
After A103, Board Power up, monitoring unit is monitored single board state in real time and is done respective handling, is specifically divided into following three kinds of situations.
Situation one: judged whether that veneer is extracted, if there is veneer to extract, is then set to closed condition by the power switch control signal of corresponding for this veneer slot;
Situation two: judged whether veneer insert or the veneer that do not power in place, when monitoring unit has detected that veneer inserts or the veneer that do not power on is in place, monitoring unit time delay is after 1 second, judge whether do not power on veneer and the veneer power summation that powered in place exceed power supply output gross power, if exceed gross power, according to systemic presupposition rule successively to the Board Power up allowing to power on, and send the inadequate warning information of power to webmaster, otherwise all veneers do not powered on are powered on successively, the power switch control signal inserting the corresponding slot of the veneer do not powered on is set to opening state one by one.
Situation three: judge whether veneer has the failure condition such as excess temperature or overcurrent, if monitoring unit detects that veneer has the failure condition such as excess temperature or overcurrent, then closing fault veneer is powered, and sends single board default warning information to webmaster.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change made under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
Claims (2)
1. controller for electric consumption in the line card hot plug of communication equipment, comprise device power supply (DPS) and be arranged on the monitoring unit on the equipment control board of communication equipment, it is characterized in that, each line card adapting to communication equipment is equipped with line card data obtaining module, power module and line card electrifying control circuit, described device power supply (DPS) exports backboard 48V voltage and mainboard 5V voltage respectively for described line card power module and line card electrifying control circuit, described monitoring unit obtains the line card information of all line cards by described line card data obtaining module, and according to the power output of described line card information and described device power supply (DPS), corresponding power control signal POWER_CTRL is sent to corresponding line card, and when there being multiple line card to power on simultaneously, monitoring unit sends corresponding power control signal POWER_CTRL to each corresponding line card allowing to power on successively one by one according to slot number, between each corresponding line card, power-on time Separation control is more than 0.5 second, line card electrifying control circuit on corresponding described line card controls the output of described power module according to described power control signal POWER_CTRL,
Described line card data obtaining module provides line card information by LC_PRSNT signal and LC_INFO signal to the monitoring unit on equipment control board;
Described line card is communication equipment veneer, described power module has backboard 48V voltage input end, earth terminal, output and the first electric-controlled switch be connected between described backboard 48V voltage input end and output, the input of described backboard 48V voltage and ground wire are connected to backboard 48V voltage input end and the earth terminal of described power module respectively, described line card electrifying control circuit comprises the first optocoupler and the first triode, described power control signal POWER_CTRL is connected to the base stage of the first triode through resistance R3, mainboard 5V voltage connects the collector electrode of described first triode through resistance R1, the collector electrode of described first triode is connected to the anode of described first optocoupler, the emitter of described first triode is connected to the negative electrode of described first optocoupler and ground connection, the collector electrode of described first optocoupler connects described first electric-controlled switch, the emitter of described first optocoupler connects the earth terminal of described power module, mainboard 5V voltage is connected with power control signal POWER_CTRL through resistance R2.
2. the line card hot plug electrification control method of communication equipment, is characterized in that, comprise the following steps:
After A100, communication equipment power on, the equipment control board of communication equipment closes the power supply of all slots of this communication equipment;
A101, monitoring unit detect the line card situation in place on all slots successively by LC_PRSNT signal;
The intrinsic power consumption of the line card maximum power dissipation information that A102, monitoring unit provide according to the line card data obtaining module on each line card and communication equipment, judge whether the current total power consumption of this communication equipment exceedes the power supply output gross power of communication equipment, if do not exceeded, all line cards in place are then allowed to power on, otherwise, allow part line card to power on according to the rule of systemic presupposition, and send the inadequate warning information of power to webmaster;
A103, monitoring unit real-time monitoring cable card-like state,
When monitoring unit detects that certain slot has line card to extract, then close the power supply of the corresponding slot of this line card;
When monitoring unit detects that certain slot has line card insert or have the line card do not powered in place, monitoring unit time delay judges after 1 second whether do not power on veneer and the veneer power summation that powered in place have exceeded power supply and exports gross power, if exceed gross power, according to systemic presupposition rule successively to the Board Power up allowing to power on, and send the inadequate warning information of power to webmaster, otherwise all veneers do not powered on are powered on successively;
When monitoring unit detects that a certain line card has excess temperature or an over current fault, then close the power supply of the slot of communication equipment corresponding to this line card, and send single board default warning information to webmaster;
Described line card is communication equipment veneer, and be provided with power module and line card electrifying control circuit, described power module has backboard 48V voltage input end, earth terminal, output and the first electric-controlled switch be connected between described backboard 48V voltage input end and output, the input of described backboard 48V voltage and ground wire are connected to backboard 48V voltage input end and the earth terminal of described power module respectively, described line card electrifying control circuit comprises the first optocoupler and the first triode, power control signal POWER_CTRL is connected to the base stage of the first triode through resistance R3, mainboard 5V voltage connects the collector electrode of described first triode through resistance R1, the collector electrode of described first triode is connected to the anode of described first optocoupler, the emitter of described first triode is connected to the negative electrode of described first optocoupler and ground connection, the collector electrode of described first optocoupler connects described first electric-controlled switch, the emitter of described first optocoupler connects the earth terminal of described power module, mainboard 5V voltage is connected with described power control signal POWER_CTRL through resistance R2,
In steps A 102, when the line card allowing to power on is multiple, described monitoring unit powers on to the line card allowing to power on successively one by one according to the slot number of communication equipment, and the stand-by period between each line card powers at least controlled more than 0.5 second.
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| CN103049344B (en) * | 2012-11-30 | 2015-12-09 | 华为技术有限公司 | The method and apparatus of hardware plug fault-tolerant processing |
| CN105700657A (en) * | 2014-11-26 | 2016-06-22 | 中兴通讯股份有限公司 | Machine frame power management method and apparatus as well as machine frame system |
| EP3145137A1 (en) * | 2015-09-15 | 2017-03-22 | Alcatel Lucent | Method for operating a line switching component, line switching component, line card, and network node thereof |
| CN107135514A (en) * | 2016-02-26 | 2017-09-05 | 大唐移动通信设备有限公司 | Electric control method and device on a kind of BBU of base station machine frame |
| CN108243358B (en) * | 2016-12-27 | 2020-11-10 | 杭州海康威视数字技术股份有限公司 | Pluggable service board |
| CN107479611B (en) * | 2017-10-10 | 2019-03-22 | 迈普通信技术股份有限公司 | A kind of communication equipment and electrification control method |
| CN110780626B (en) * | 2019-10-31 | 2020-11-06 | 中国人民解放军海军工程大学 | Hot-plug system and method for field test bus function module |
| CN110928221A (en) * | 2019-11-22 | 2020-03-27 | 北京东土军悦科技有限公司 | Card insertion type modular equipment |
| CN111781881A (en) * | 2020-07-22 | 2020-10-16 | 湖南中车时代通信信号有限公司 | Man-machine interaction unit for train operation monitoring device and method for controlling on man-machine interaction unit |
| CN112948304B (en) * | 2021-03-11 | 2021-12-17 | 迈普通信技术股份有限公司 | Hot plug board card and communication equipment |
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Effective date of registration: 20170412 Address after: 430000 East Lake high tech Development Zone, Hubei Province, No. 6, No., high and new technology development zone, No. four Patentee after: Fenghuo Communication Science &. Technology Co., Ltd. Address before: East Lake high tech city of Wuhan province Hubei Dongxin road 430074 No. 5 East optical communication industry building in Wuhan Fenghuo Network Co Ltd Patentee before: Wuhan Fenghuo Network Co., Ltd. |